https://blossom.primal.net/4e5ce0bf6f0f6637818ccc5d96ec609c46bc1077eb7e771edfdead7227b51658.3gp
The flat earth "conspiracy theory" will never go away, quite simply, because the heliocentric globe mod...
OK, look. Ancient Greeks not only knew the earth is round but also calculated circumference quite precisely.
This can be measured by you today quite easily.
https://en.wikipedia.org/wiki/Eratosthenes
This can be measured by you today quite easily.
https://en.wikipedia.org/wiki/Eratosthenes
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